COMPOSITAE. 



Vol. III. 



12. Erigeron Bellidiastrum Nutt. Western 

 Daisy Fleabane. Fig. 4372. 



Erigeron Bellidiastrum Nutt. Trans. Am. Phil. Soc. (II) 7: 

 307. 1K41. 



Annual, much branched, 6' 15' high, cinereous-pubes- 

 cent throughout. Leaves entire, linear-spatulate. the 

 lower and basal petioled, l'-ll' long, the upper sessile 

 and smaller; heads several or numerous, 5"-8" broad; 

 involucre hemispheric, about 2" high, its bracts linear, 

 hirsute, acute; rays 30-65, purplish, about 2" long; 

 pappus a single series of capillary bristles. 



In moist soil, South Dakota to Nebr'aska, Kansas, Texas, 

 Wyoming and Arizona. May-July. 



Sweet Scabious. White-top. Fig. 4373. 





13. Erigeron annuus (L.) Pers. 



Aster annuus L. Sp. PI. 875. 1753. 



Erigeron annuus Pers. Syn. 2: 431. 1807. 



Annual, sparingly pubescent with spreading hairs ; 

 stem erect, corymbosely branched, i-4 high. Leaves 

 thin, the lower and basal ones ovate or ovate-lan- 

 ceolate, mostly obtuse, petioled, usually coarsely 

 dentate, 2'-6' long. 1/-3' wide, the upper sessile or 

 short-petioled, lanceolate, oblong, or linear-lanceo- 

 late, acute or acuminate, mostly sharply dentate in 

 the middle, those of the branches narrower and 

 often entire; heads rather numerous, s"~j" broad, 

 mostly short-peduncled ; bracts of the hemispheric 

 involucre somewhat hispid; rays 40-70, linear, 

 white, or commonly tinged with purple, 2"-4" long; 

 pappus double, the inner a series of slender fragile 

 deciduous bristles, often wanting in the ray-flowers, 

 the outer a persistent series of short, partly united, 

 slender scales. 



In fields, Nova Scotia to Manitoba. Georgia, Kentucky and Missouri, 

 and in continental Europe. Daisy-fleabane. Lace-buttons. May-Nov. 



Naturalized in Bermuda 



14. Erigeron ramosus (Walt.) B.S.P. 

 Daisy Fleabane. Fig. 4374. 



Doronicuiu ramosum Walt. Fl. Car. 205. 1788. 

 E. strigosus Muhl. ; Willd. Sp. PI. 3: 1956. 1804. 

 Stenactis Beyrichii F. & M. Index Sem. Hort. Petrop. 



5: 1838. 

 Erigeron ramosus B.S.P. Prel. Cat. N. Y. 27. 1888. 

 Erigeron ramosus Beyrichii Smith & Pond, Bot. Surv. 



Neb. 2:11. 1893. 



Resembles the preceding species, but is usually 

 lower and the pubescence more appressed. Stem 

 leaves linear-oblong or linear-lanceolate, nearly 

 all of them entire; basal and lowest spatulate or 

 oblong. usually serrate ; bracts of the involucre 

 glabrous or nearly so ; pappus similar to that of 

 the preceding; rays white, or sometimes purplish, 

 occasionally minute or wanting. 



In fields, Nova Scotia to British Columbia, Florida, 

 Louisiana, Texas and California. Naturalized in 

 Europe. White-top. May-Nov. 



